import java.util.Scanner;//这会自动包含

public class Main {
    public static void main(String[] args)
    {
        //创建对象
        Scanner scan=new Scanner(System.in);
        //读取整数
        int a= scan.nextInt();


        if(a % 2 == 0)
        {
            System.out.println("偶数");
        }
        else {
            System.out.println("奇数");
        }
    }
}